Using the gotmead calculator (google is your friend)... I estimate that you should have a gravity of 1.120 which equates to 16.25% abv. Did you adjust for temperature? I assumed that you will have a SG of 1.050 for the apple juice alone.

D47 will take you to 14-15% abv, perhaps even more if you really farm it well. So you should expect the mead to be just off dry with a FG of about 1.005 or more.

Bottle when it drops clear and after you have backsweetened. 5-t6 months minimum. YMMV.

Give it a year or two before expecting this to taste good. I bottle in 750mls and in beer bottles, so I can sample monthly - the beer bottles, and still have a case of 750s left over.